Alto EQU231-MKII V2 - Graphic Equalizer

Alto EQU231-MKII V2 - Graphic Equalizer

Alto EQU231-MKII V2 - Graphic Equalizer

B&H # ALEQU231LED MFR # EQU231LEDMK2
Alto EQU231-MKII V2 - Graphic Equalizer

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Product Highlights

  • Dual Channel
  • 31 Bands per Channel
  • 1/3 Octave
  • High and Low Pass Filters

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  • 1Description

The EQU231-MKII V2 from Alto Pro Audio is a dual channel, 31 band 1/3 octave graphic equalizer. The sliders are 20mm center detent with a selectable boost/cut range, and the unit provides balanced and unbalanced input and output connections, fixed high pass and low pass filters, variable input level controls, clip level indicators, a ground lift switch, along with an internal universal power supply.

The unit has EQ bypass switches for each channel with LED status indicators, and is housed in a rugged, all-steel 2U rack space chassis. The EQU231-MKII V2 is intended for installation in standard 19" equipment racks and provides multiple input and output configurations. The XLR and 1/4" TRS connectors use balanced, low noise circuitry but can also be used in an unbalanced configuration. The RCA jacks are unbalanced.

The EQU231-MKII V2 may be used in a variety of applications such as live sound, recording studios, instrument racks, as well as any conventional fixed installation environment.

Dual channel, 31-band, 1/3 octave graphic equalizer
20mm center detent sliders
Selectable boost/cut range of 6dB or 12dB
Variable input level control
Fixed high-pass and low-pass filters
Per channel EQ bypass switch
Ground lift switch
Clip level indicators
Balanced and unbalanced input and output connections
In the Box
Alto EQU231-MKII V2 - Graphic Equalizer
  • AC Power Cable
  • One (1) Year Warranty
  • Table of Contents
    • 1Description
    Filter Type Graphic
    Number of Channels 2
    Inputs 2 x XLR
    2 x 1/4" TRS phone
    2 x RCA phono

    Only one set of input connectors can be used at one time

    Outputs 2 x XLR
    2 x 1/4" TRS phone
    2 x RCA phono

    Only one set of output connectors can be used at one time

    Maximum Input Level 14dBu
    Frequency Bands 2 x 31, ISO spacing
    Bandwidth 1/3 octave
    Range (Boost/Cut) +/-6dB or +/-12dB, selectable
    Maximum Output Level +16dBV
    Frequency Response 20Hz - 50kHz
    Dynamic Range Not Specified by Manufacturer
    Noise S/N: 117dB
    Power Requirements 95V-120V/210V-240V, 60Hz/50Hz
    18W rated power consumption
    Dimensions (WxDxH) 19 x 8.7 x 3.5" (483 x 220 x 89mm)
    Weight Not Specified by Manufacturer
    Specialties 20mm slider travel with positive center detent
    40Hz high-pass filter (12dB/8ve)
    16kHz low-pass filter (12dB/8ve)
    Packaging Info
    Box Dimensions (LxWxH) 21.5 x 10.0 x 7.0"

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